Geo Package is a portable, self-describing, open, standards-based, platform-independent package for exchanging geographic data. 1. attributes (non-spatial data) 2. extensions 3. vector features 4. tile…
The Earth has a flattened spherical form. An ellipsoid is the name for this form. A datum is a representation of the earth used in…
A coordinate system is a way for determining where a point on the planet is located. To indicate the position of a point, most coordinate…
A geodatabase is a relational database that keeps track of geographic information. A geodatabase is, at its most basic level, a container for storing geographic…
The technique of assigning geographic positional information to raster data based on a predetermined coordinate system is known as georeferencing. This georeferencing process is typically…
Map Projection is a geometric function that converts the earth’s curving, elliptical surface to a flat, two-dimensional plane. Map projections are required for generating maps…
All remote sensing radiation passes through the atmosphere both before and after it interacts with the Earth’s surface. The atmosphere changes the frequency, intensity, and…
Radiometric Errors is the distortion in pixel brightness values. The distortions suffered by images in recorded values at different pixel locations are referred to as…
To actually geometrically correct the original distorted image, a procedure known as resampling methods is used to determine the digital values to place in the…
Internal and external geometric errors is common in remotely sensed imagery. It is critical to identify the source of internal and external error, as well…
